<template>
	<section>
		<!--工具条-->
		<el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
			<el-form :inline="true" :model="filters">
				<el-form-item>
					<el-input v-model="filters.keyword" placeholder="关键字"></el-input>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" v-on:click="getAndCourses">查询</el-button>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" @click="handleAdd">新增</el-button>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" @click="handleMarkeInfo">课程营销</el-button>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" @click="handleResouceInfo">课程图片</el-button>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" @click="handleOnline">上线</el-button>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" @click="handleOffline">下线</el-button>
				</el-form-item>
			</el-form>
		</el-col>

		<!--列表-->
		<el-table :data="courses" highlight-current-row v-loading="listLoading" @selection-change="selsChange" style="width: 100%;">
			<el-table-column type="selection" width="55">
			</el-table-column>
			<el-table-column type="index" width="60">
			</el-table-column>
			<el-table-column prop="name" label="名称" width="120" >
			</el-table-column>
			<el-table-column prop="courseType.name" label="类型" width="80" >
			</el-table-column>
			<el-table-column prop="gradeName" label="等级" width="120" >
			</el-table-column>
			<el-table-column prop="tenantName" label="租户" width="120" >
			</el-table-column>
			<el-table-column prop="userName" label="创建人" width="120" >
			</el-table-column>
			<el-table-column prop="startTime" label="上线时间" width="150" :formatter="formatStartTime">
			</el-table-column>
			<el-table-column prop="endTime" label="下线时间" width="150" :formatter="formatStartTime">
			</el-table-column>
			<el-table-column prop="status" label="状态" min-width="80" >
				<template scope="scope">
					<span v-if="scope.row.status==1" style="color:green;">上线</span>
					<span v-else style="color: red">下线</span>
				</template>
			</el-table-column>
			<el-table-column label="操作" width="150">
				<template scope="scope">
					<el-button size="small" @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
					<el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
				</template>
			</el-table-column>
		</el-table>

		<!--工具条-->
		<el-col :span="24" class="toolbar">
			<el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
			<el-pagination layout="prev, pager, next" @current-change="handleCurrentChange" :page-size="pageSize" :total="total" style="float:right;">
			</el-pagination>
		</el-col>

		<!--编辑界面-->
		<el-dialog title="编辑" v-model="editFormVisible" :close-on-click-modal="false">
			<el-form :model="editForm" label-width="80px" :rules="editFormRules" ref="editForm">
				<el-form-item label="课程名称" prop="name">
					<el-input v-model="editForm.name" auto-complete="off"></el-input>
				</el-form-item>
				<el-form-item label="性别">
					<el-radio-group v-model="editForm.sex">
						<el-radio class="radio" :label="1">男</el-radio>
						<el-radio class="radio" :label="0">女</el-radio>
					</el-radio-group>
				</el-form-item>
				<el-form-item label="年龄">
					<el-input-number v-model="editForm.age" :min="0" :max="200"></el-input-number>
				</el-form-item>
				<el-form-item label="生日">
					<el-date-picker type="date" placeholder="选择日期" v-model="editForm.birth"></el-date-picker>
				</el-form-item>
				<el-form-item label="地址">
					<el-input type="textarea" v-model="editForm.addr"></el-input>
				</el-form-item>
			</el-form>
			<div slot="footer" class="dialog-footer">
				<el-button @click.native="editFormVisible = false">取消</el-button>
				<el-button type="primary" @click.native="editSubmit" :loading="editLoading">提交</el-button>
			</div>
		</el-dialog>

		<!--新增界面-->
		<el-dialog title="新增" :visible.sync="addFormVisible" :close-on-click-modal="false">
			<el-form :model="addForm" label-width="80px" :rules="addFormRules" ref="addForm">
				<el-form-item label="课程名称" prop="name">
					<el-input v-model="addForm.name" auto-complete="off" placeholder="请输入课程名称"></el-input>
				</el-form-item>
				<el-form-item label="适用人群">
					<el-input v-model="addForm.users" auto-complete="off" placeholder="请输入适用人群"></el-input>
				</el-form-item>
				<el-form-item label="课程类型">
					<el-cascader
							style="width: 100%"
							:props="courseTypeProps"
							v-model="addForm.courseTypeId"
							:options="courseTypes"
							></el-cascader>
				</el-form-item>
				<el-form-item label="课程等级">
					<el-radio v-for= "grade in grades" v-model="addForm.grade" :label="grade.id">{{grade.name}}</el-radio>

				</el-form-item>
				<el-form-item label="课程描述">
					<el-input v-model="addForm.description" auto-complete="off" placeholder="请输入课程描述"></el-input>
				</el-form-item>
				<el-form-item label="课程简介">
					<quill-editor
							v-model="addForm.intro">
					</quill-editor>
				</el-form-item>

			</el-form>
			<div slot="footer" class="dialog-footer">
				<el-button @click.native="addFormVisible = false">取消</el-button>
				<el-button type="primary" @click.native="addSubmit" :loading="addLoading">提交</el-button>
			</div>
		</el-dialog>
	</section>
</template>

<script>
	import { quillEditor } from 'vue-quill-editor' // 调用富文本编辑器
	import 'quill/dist/quill.snow.css' // 富文本编辑器外部引用样式  三种样式三选一引入即可
	//import 'quill/dist/quill.core.css'
	//import 'quill/dist/quill.bubble.css'
	import * as Quill from 'quill'; // 富文本基于quill

	export default {
		components: {
			quillEditor
		},
		data() {
			return {
				grades:[],
				courseTypeProps:{
						children:"children",
						label:"name",
						value:"id"

				},
				courseTypes:[],
				filters: {
					keyword: ''
				},
				courses: [],
				total: 0,
				page: 1,
				pageSize: 10,
				listLoading: false,
				sels: [],//列表选中列

				editFormVisible: false,//编辑界面是否显示
				editLoading: false,
				editFormRules: {
					name: [
						{ required: true, message: '请输入课程名称', trigger: 'blur' }
					]
				},
				//编辑界面数据
				editForm: {
					id: 0,
					name: '',
					sex: -1,
					age: 0,
					birth: '',
					addr: ''
				},

				addFormVisible: false,//新增界面是否显示
				addLoading: false,
				addFormRules: {
					name: [
						{ required: true, message: '请输入课程名称', trigger: 'blur' }
					]
				},
				//新增界面数据
				addForm: {
					name: "",
					users:"",
					courseTypeId:null,
					grade:null,
					gradeName:"",
					description:"",
					intro:""

				}

			}
		},
		methods: {
			getGrades(){
				this.$http.get("/system/systemdictionary/getGrades").then(res=>{
					this.grades = res.data;

				})
			},
			// 递归判断列表，把最后的children设为undefined
			getTreeData(data){
				for(var i=0;i<data.length;i++){
					if(data[i].children.length<1){
						// children若为空数组，则将children设为undefined
						data[i].children=undefined;
					}else {
						// children若不为空数组，则继续 递归调用 本方法
						this.getTreeData(data[i].children);
					}
				}
				return data;
			},
			getCourseTypes(){
				this.$http.get("/course/courseType/typeTree").then(res=>{
					this.courseTypes = this.getTreeData(res.data);
				})
			},
			//显示新增界面
			handleAdd: function () {
				this.addFormVisible = true;
				this.addForm = {
					name: '',
					sex: -1,
					age: 0,
					birth: '',
					addr: ''
				};
			},
			//课程营销
			handleMarkeInfo(){

			},
			//课程图片
			handleResouceInfo(){

			},
			//上线
			handleOnline(){
				if (this.sels.length<=0){
					this.$message({
						message:"请选中要上线的课程",
						type:"warning"
					})
					return;
				}
				//单个重复没问题  多个有bug
				let para = this.sels.map(e=>{return e.status})
				if (para!=0){
					this.$message({
						message:"重复上线，请重新选择",
						type:"warning"
					})
					return;
				}
				this.$confirm('确认上传这些吗?', '提示', {
					type: 'warning'
				}).then(() => {
					let para = this.sels.map(e=>{return e.id})
					this.$http.post("/course/course/online",para).then(res=>{
						let{success,message}=res.data;
						if (success){
							this.$message({
								message:message,
								type:"success"
							})
							this.getCourses();
						}else {
							this.$message({
								message:message,
								type:"error"
							})
						}
					})
				}).catch(() => {

				});




			},
			//下线
			handleOffline(){
				if (this.sels.length<=0){
					this.$message({
						message:"请选中要下线的课程",
						type:"warning"
					})
					return;
				}
				//单个重复没问题  多个有bug
				let para = this.sels.map(e=>{return e.status})
				if (para!=1){
					this.$message({
						message:"重复下线，请重新选择",
						type:"warning"
					})
					return;
				}
				this.$confirm('确认下线这些吗?', '提示', {
					type: 'warning'
				}).then(() => {
					let para = this.sels.map(e=>{return e.id})
					this.$http.post("/course/course/offline",para).then(res=>{
						let{success,message}=res.data;
						if (success){
							this.$message({
								message:message,
								type:"success"
							})
							this.getCourses();
						}else {
							this.$message({
								message:message,
								type:"error"
							})
						}
					})
				}).catch(() => {

				});
			},
			//高级查询
			getAndCourses(){
				this.page = 1;
				this.getCourses();
			},
			formatTime(time){
				if (!time){
					return null;
				}
				let date = new Date(time);
				let year = date.getFullYear();
				let month = date.getMonth();
				let day = date.getDate();
				let hour = date.getHours();
				let minute = date.getMinutes();
				let second = date.getSeconds();
				return year+"-"+this.formatNum(month)+"-"+this.formatNum(day)+" "+this.formatNum(hour)+":"+this.formatNum(minute)+":"+this.formatNum(second);
			},
			//上线时间显示
			formatStartTime: function (row, column) {
				return this.formatTime(row.startTime);
			},
			formatNum(num){
				if (num<10)
					return "0"+num;
				else
					return num;
			},
			handleCurrentChange(val) {
				this.page = val;
				this.getCourses();
			},
			//获取课程列表
			getCourses() {
				let para = {
					page: this.page,
					rows: this.pageSize,
					keyword: this.filters.keyword
					
				};
				this.listLoading = true;
				//NProgress.start();
				this.$http.post("/course/course/pagelist",para).then(res=>{
					let{total,rows} = res.data;
					this.courses = rows;
					this.total = total;
					this.listLoading = false;
				})
			},
			//删除
			handleDel: function (index, row) {
				this.$confirm('确认删除该记录吗?', '提示', {
					type: 'warning'
				}).then(() => {
					this.listLoading = true;
					//NProgress.start();
					let para = { id: row.id };
					removeCourse(para).then((res) => {
						this.listLoading = false;
						//NProgress.done();
						this.$message({
							message: '删除成功',
							type: 'success'
						});
						this.getCourses();
					});
				}).catch(() => {

				});
			},
			//显示编辑界面
			handleEdit: function (index, row) {
				this.editFormVisible = true;
				this.editForm = Object.assign({}, row);
			},

			//编辑
			editSubmit: function () {
				this.$refs.editForm.validate((valid) => {
					if (valid) {
						this.$confirm('确认提交吗？', '提示', {}).then(() => {
							this.editLoading = true;
							//NProgress.start();
							let para = Object.assign({}, this.editForm);
							para.birth = (!para.birth || para.birth == '') ? '' : util.formatDate.format(new Date(para.birth), 'yyyy-MM-dd');
							editCourse(para).then((res) => {
								this.editLoading = false;
								//NProgress.done();
								this.$message({
									message: '提交成功',
									type: 'success'
								});
								this.$refs['editForm'].resetFields();
								this.editFormVisible = false;
								this.getCourses();
							});
						});
					}
				});
			},
			//新增
			addSubmit: function () {
				this.$refs.addForm.validate((valid) => {
					if (valid) {
						this.$confirm('确认提交吗？', '提示', {}).then(() => {
							this.addLoading = false;
							//NProgress.start();
							let para = Object.assign({}, this.addForm);
							para.courseTypeId = para.courseTypeId[para.courseTypeId.length-1]
							this.$http.post("/course/course/save",para).then(res=>{
								let{success,message} = res.data;
								if (success){
									this.$message({
										message: '提交成功',
										type: 'success'
									});
									this.$refs['addForm'].resetFields();
									this.addFormVisible = false;
									this.page = 1;
									this.getCourses();
								}else {
									this.$message({
										message: 'message',
										type: 'error'
									});
								}
							})


						});
					}
				});
			},
			selsChange: function (sels) {
				this.sels = sels;
			},
			//批量删除
			batchRemove: function () {
				var ids = this.sels.map(item => item.id).toString();
				this.$confirm('确认删除选中记录吗？', '提示', {
					type: 'warning'
				}).then(() => {
					this.listLoading = true;
					//NProgress.start();
					let para = { ids: ids };
					batchRemoveCourse(para).then((res) => {
						this.listLoading = false;
						//NProgress.done();
						this.$message({
							message: '删除成功',
							type: 'success'
						});
						this.getCourses();
					});
				}).catch(() => {

				});
			}
		},
		mounted() {
			this.getCourses();
			this.getCourseTypes();
			this.getGrades();
		}
	}

</script>

<style scoped>

</style>